##Enterprise/Internal Q&A Sites:##Update: 

[**Stack Overflow Enterprise is now available**](https://www.stackoverflowbusiness.com/enterprise) for internal use for large organizations to build knowledge sharing communities around their own proprietary and internal knowledge.  You can learn more about Stack Overflow Enterprise on our [business site][1]. 


##Public Q&A Communities:##

Public-facing sites are created through the democratic, community-driven process at Area 51. You can read about that process here: [**Area 51 FAQ**](http://area51.stackexchange.com/faq).

  [1]: https://www.stackoverflowbusiness.com/enterprise